Of or relating to the early Greek civilization that spread its influence from Mycenae to many parts of the Mediterranean region and Central Europe from about 2800 to 1100 BCE, divided into three periods: Early Helladic (c. 2800–2000 B.C.E), Middle Helladic (c. 2000–1500 B.C.E), and Late Helladic (c. 1500–1100 B.C.E)